CE Compliant certified

CE Compliant

Made in the U.S.A. certified

Made in the U.S.A.

MicroAir Dual Channel Pressure Regulator

MicroAir Dual Channel Pressure Regulators by On Line Controls, Inc. provide ultra-low air pressure regulation for plastic tubing extrusion applications. Available in manual and PLC-controlled models, these stainless steel units deliver hysteresis-free, high-precision pressure control for medical, catheter, automotive, and multi-lumen tubing manufacturing processes.

Dual Channel MicroAir II
Dual Channel MicroAir I
Dual Channel MicroAir IV
MultiAir 4-channel MicroAir IV
MultiAir 3-channel MicroAir IV
MultiAir 3-channel MicroAir II
MultiAir 3-channel MicroAir I

Our Range of Products

Dual Channel MicroAir II

Dual Channel MicroAir II

  • Dual channel contact closure + manual control
  • Hysteresis-free, damping fluid stabilized
  • Pressure ranges from 0-3" water to 0-5 psi
Dual Channel MicroAir I

Dual Channel MicroAir I

  • Precise 30-turn manual knob adjustment
  • Dual channel for multi-lumen tubing control
  • Constant pressure across all varying flow rates
Dual Channel MicroAir IV

Dual Channel MicroAir IV

  • Dual channel 0-10V PLC-compatible control
  • Hysteresis-free response in under 0.1 second
  • Stainless steel enclosure, 15" x 10" x 6"
MultiAir 4-channel MicroAir IV

MultiAir 4-channel MicroAir IV

  • 4 independent channels, each with own display
  • Sub-0.1s response, typically 20ms reaction
  • +/-0.2% full-scale accuracy, low pressure
MultiAir 3-channel MicroAir IV

MultiAir 3-channel MicroAir IV

  • 3-channel PLC control via 0-10V analog input
  • High-speed response under 0.1s (20ms typical)
  • +/-0.1% accuracy below 60" of water column
MultiAir 3-channel MicroAir II

MultiAir 3-channel MicroAir II

  • 3 independent channels in single enclosure
  • Contact closure input from diameter gauge
  • Each channel configurable with own display

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Frequently Asked Questions

What is a Dual Channel MicroAir pressure regulator used for?

Dual Channel MicroAir regulators are used to independently control air pressure in two separate lumens during plastic tubing extrusion. They are ideal for medical catheter manufacturing, multi-lumen tubing production, automotive tubing extrusion, and bump or taper tubing applications where separate, precise pressure control per channel is essential.

What pressure ranges are available for the Dual Channel MicroAir?

What is the difference between MicroAir I and MicroAir IV dual channel models?

How fast is the response time on the MicroAir IV dual channel regulator?

Can the Dual Channel MicroAir be integrated with a PLC?

What power supply does the Dual Channel MicroAir require?

Does the Dual Channel MicroAir ship internationally?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Medical Device & Catheter Manufacturing

Medical Device & Catheter Manufacturing

Precise dual-channel pressure control for catheter lumen sizing and medical-grade tubing extrusion quality.

Automotive Tubing Production

Automotive Tubing Production

Reliable dual-channel regulation ensures consistent OD and wall thickness in automotive plastic tubing extrusion.

Multi-Lumen Tubing Manufacturing

Multi-Lumen Tubing Manufacturing

Independent per-lumen pressure control enables accurate sizing of complex multi-lumen plastic tubing profiles.

Plastic Profile Extrusion

Plastic Profile Extrusion

Stable ultra-low pressure regulation supports consistent diameter control during free extrusion of plastic profiles.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Why Plastic Tubing Manufacturers Choose On Line Controls, Inc.

44+ Years of Extrusion Expertise

Since 1980, OLC has been the recognized industry leader in ultra-low air pressure regulation for plastic tubing extrusion worldwide.

Hysteresis-Free Precision Control

Precision voice-coil linear motors with viscostatic damping deliver stable, accurate pressure control with less than 0.1-second response time.

3-Year Warranty & Unlimited Support

Every MicroAir ships with a 3-year parts and labor warranty plus unlimited phone support — backed by a team with over 35 years of experience.

Get a Quote for Your Dual Channel MicroAir Regulator

Submit your inquiry and our team will respond with pricing, specs, and recommendations tailored to your extrusion line requirements.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 978-562-5353. You can also send us a quick email at olc@onlinecontrols.com.